tv ABC World News Tonight ABC August 29, 2014 6:30pm-6:58pm EDT
good evening on this friday night. david muir will be here anchoring "world news" starting monday. we begin with the growing power of terrorism. tonight, great britain raising the threat level to severe. brian ross has details on that move, and what american authorities are weighing tonight. >> reporter: the urgent british warning came today as this latest isis propaganda and execution videos circulated on the internet. here, several hundred men, described as syrian soldiers, marched across the desert in their underwear before being executed. part of what the british prime minister today called the poisonous ideology of islamist extremism. >> what we're facing in iraq now with isil is a greater and
deeper threat to our security than we have known before. >> reporter: the british recruits to isis are considered some of the group's most brutal fighters. in fact, u.s. negotiators said today a team of brits not only organized the execution of james foley, in an orange prison jumpsuit, but also subjected him and other american hostages to waterboarding, a response to the american treatment of al qaeda prisoners. the u.s. said today it is considering its own enhanced steps because of concerns about the estimated 100 american recruits to isis. >> a lot of times, these individuals are fairly adept at covering their tracks. >> reporter: despite the groups' rigid beliefs about all things western, online rap music has become an increasingly popular means of jihadi recruitment. listen to this american voice. ♪ this goes out to all my soldiers, freedom fighters, equalizer ♪ ♪ they slaughter us like animals now it's time for that beast to
bite them ♪ ♪ black flags we worldwide syria to atlanta ♪ >> young men being recruited by other young men. >> reporter: authorities say almost a dozen young men have been recruited in a kind of pipeline from the minneapolis area, and now there is concern that teenage girls fm here are also being recruited. >> these are women living boring lives, believing they're going to bring the end of the world, the rise of the new cal i have fat. >> reporter: this isis video shows women being trained to fight and community leaders in minneapolis say one family has reported this week that their 19-year-old daughter has gone to syria. and my be joining the fight. the pentagon said it's costing the u.s. about $700 million a day for its limited operations
in iraq. and the coast is about $560 million. >> thank you very much. and the isis threat has spilled into lebanon, too. and more than half the entire population of syria, now on the run. more than 300 million people have fled the country. many of them children. and david muir and our team on the syrian border. children board pickup trucks to work in the fields supporting their families. much more of david's reporting and the sliver of hope he discovered next week on "world news" with david muir. and rains have been linzie .
>> reporter: an update on the condition of joan rivers. abc news has learned the comedienne is unconscious and has been ever since she was rushed to the hospital yesterday after suffering cardiac arrest during a procedure at an endoscopy clinic. doctors are intentionally keeping the 81-year-old sedated and under close supervision until they're more comfortable with her condition. her daughter melissa, by her side tonight saying her mother's "condition remains serious but she is receiving the best treatment and care possible. we ask that you continue to keep her in your thoughts as we pray for her recovery." her recovery largely depends on just how long the comedienne was without oxygen. timing is critical. in cardiac arrest, the heart suddenly stops beating. if oxygen does not get to the brain, it can become severely damaged in just four to six minutes. white it's not clear exactly what kind of procedure rivers was having, over 50 million americans undergo endoscopy each year. 60% of the complications with this kind of procedure are heart related. which is why there are very
as you head east you see everything is black, filled with lava, the rocks and the ash. but an eruption's effects can be felt thousands of miles away. in 2010, another icelandic volcano sent ash drifting across europe, cancelling more than 100,000 flights. passengers stranded for days. today's explosion began under europe's largest glacier. scientists feared an explosion of ash created when hot magma hits ice. >> the power of a decent explosion in a glacier is many hiroshima bombs. >> reporter: that didn't happen today. so far, scientists have not detected any ash. encouraging news. people who live in this remote part of the world telling me they're prepared for whatever comes. do you have any fear at all? >> no. >> reporter: you've seen this before? >> reporter: you've seen this before? >> yes, whatever comes,ks think,
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>> reporter: simple suggestions. start by making your bed. it will give you a small sense of pride and it will encourage you to do another task, and another, and another. and if by chance you have a miserable day, you will come home to a bed that is made. >> reporter: going up in dallas, magnified tenfold with his training as a navy s.e.a.l. >> somehow, these little guys always had the last laugh. nothing mattered but your will to succeed. >> reporter: the admiral has become a legendary figure. commanding respect with the rank and file, but clearly, he's a